LF147 - Wide Bandwidth Quad JFET Input Operational Amplifiers

Updated : 2020-01-09 14:21:38
Description

The LF147 is a low cost, high speed quad JFET input operational amplifier with an internally trimmed input offset voltage (BI-FET II technology). The device requires a low supply current and yet maintains a large gain bandwidth product and a fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents. The LF147 is pin compatible with the standard LM148. This feature allows designers to immediately upgrade the overall performance of existing LF148 and LM124 designs.

The LF147 may be used in applications such as high speed integrators, fast D/A converters, sample-and-hold circuits and many other circuits requiring low input offset voltage, low input bias current, high input impedance, high slew rate and wide bandwidth. The device has low noise and offset voltage drift.

Products containing the "LF147" keyword are: LF147 , LF147-MD8 , LF147/883D , LF147/883QS , LF147AJ , LF147D , LF147D/883 , LF147D/883B , LF147D/883C , LF147D/883D , LF147D/883Q , LF147D/883QS , LF147DT , LF147F/883 , LF147J , LF147J , LF147J-MPR , LF147J-SMD , LF147J/833QS , LF147J/883
Features

  • Internally Trimmed Offset Voltage: 5 mV max
  • Low Input Bias Current: 50 pA
  • Low Input Noise Current: 0.01 pA/√Hz
  • Wide Gain Bandwidth: 4 MHz
  • High Slew Rate: 13 V/μs
  • Low Supply Current: 7.2 mA
  • High Input Impedance: 1012Ω
  • Low Total Harmonic Distortion: ≤0.02%
  • Low 1/f Noise Corner: 50 Hz
  • Fast Settling Time to 0.01%: 2 μs

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Parametrics
StatusACTIVE
Approx. price
Number of channels4
Total Supply Voltage5
Rail-to-railNo
GBW4
Slew Rate13
Package GroupCDIP|14
Vos (offset voltage @ 25 C)5
Iq per channel1.8
Vn at 1 kHz20
RatingMilitary
Operating temperature range-55 to 125
Package size: mm2:W x L (PKG)See datasheet (CDIP)
Offset drift10
FeaturesN/A
Input bias current200
CMRR100
Output current30
ArchitectureFET
Radiation, TID
Radiation, SEL
Input common mode headroom (to negative supply)3.0
Input common mode headroom (to positive supply)0.0
Output swing headroom (to negative supply)1.5
Output swing headroom (to positive supply)-1.5